Make the labels for the BLSP I2C/SPI pinctrl consistent with the one
used for UART by adding the missing blsp_ prefix. This allows having
them properly grouped together.
The nodes are only reordered in msm8939.dtsi for now since the pinctrl
definitions in msm8916-pins.dtsi are currently still unordered anyway.
(I will try fixing this in a future patch.)
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>